Drinking water quality · 2023
· Verified
What's in Shasta C.s.d. — Shasta, Ca, CA tap water
5 contaminants were measured in the Shasta C.s.d. — Shasta, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 5
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- TTHM
- Service area
- CA
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 35–82 ug/LRangeSystem-wide | None set | At or above the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 45 ug/LReported levelSystem-wide | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.671 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0MaximumNo. of detections | 0MCLG | None detected |
People also ask about Shasta C.s.d. — Shasta, Ca, CA's water
+Is Shasta C.s.d. — Shasta, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Shasta C.s.d. — Shasta, Ca, CA water utility lists 1 contaminant at or above the federal limit: TTHM. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Shasta C.s.d. — Shasta, Ca, CA tap water?
5 contaminants were measured in Shasta C.s.d. — Shasta, Ca, CA's 2023 Consumer Confidence Report, spanning disinfection byproducts, metals, and microbial. 2 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Shasta C.s.d. — Shasta, Ca, CA tap water?
One contaminant in Shasta C.s.d. — Shasta, Ca, CA's 2023 report sits at or above the federal limit: TTHM (1.0× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Shasta C.s.d. — Shasta, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is TTHM, at 1.0× the federal threshold. It belongs to the disinfection byproducts family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Shasta C.s.d. — Shasta, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Shasta C.s.d. — Shasta, Ca, CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.